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发明名称
Perfectionnements apportés aux anneaux porte-clefs
摘要
申请公布号
FR1252828(A)
申请公布日期
1961.02.03
申请号
FR19590814109
申请日期
1959.12.24
申请人
发明人
COURTOIS HENRI
分类号
A44B15/00
主分类号
A44B15/00
代理机构
代理人
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